DBSEC
2006
13 years 5 months ago
2006
DBSEC
2006
13 years 5 months ago
2006
We demonstrate how access control models and policies can be represented by using term rewriting systems, and how rewriting may be used for evaluating access requests and for provi...
DBSEC
2006
13 years 5 months ago
2006
The protection of privacy is an increasing concern in today's global infrastructure. One of the most important privacy protection principles states that personal information c...
DBSEC
2006
13 years 5 months ago
2006
Abstract. Controlled Query Evaluation (CQE) offers a logical framework to prevent a user of a database from inadvertently gaining knowledge he is not allowed to know. By modeling t...
DBSEC
2004
13 years 5 months ago
2004
Real-time update of access control policies, that is, updating policies while they are in effect and enforcing the changes immediately, is necessary for many security-critical appl...
DBSEC
2004
13 years 5 months ago
2004
The notion of Usage Control (UCON) has been introduced recently to extend traditional access controls by including three decision factors called authorizations, obligations, and co...
DBSEC
2004
13 years 5 months ago
2004
DBSEC
2004
13 years 5 months ago
2004
Storage-area networks are a popular and efficient way of building large storage systems both in an enterprise environment and for multi-domain storage service providers. In both en...
DBSEC
2004
13 years 5 months ago
2004
A sequence of queries submitted by a database user within a short period of time may have a single, illuminating explanation. In this paper we consider sequences of single-record q...
DBSEC
2004
13 years 5 months ago
2004
In software construction, analysis investigates the boundary of a system (scope and requirements), its usage and access, and from a security perspective, who needs access to what ...